A fine split or splinter in material such as wood (a small, frayed edge).
古い床板にささくれができて足に刺さった。
A splinter on the old floorboard stuck into my foot.
棚の角がささくれているので、やすりで削った。
The corner of the shelf was splintered, so I sanded it down.
A hangnail — a small piece of torn skin at the edge of a fingernail that can hurt.
寒くなるとささくれができやすく、つい触って痛くなる。
In cold weather I often get hangnails and end up poking them, which hurts.
ささくれは爪切りで清潔に切ってからハンドクリームを塗るといい。
It's best to cleanly cut a hangnail with nail clippers and then apply hand cream.
仕事でよく手を使うので、ささくれが絶えない。
Because my work uses my hands a lot, I constantly get hangnails.